CVE-2026-5356
Received Received - Intake

Improper Input Validation in LatePoint WordPress Plugin

Publication date: 2026-07-08

Last updated on: 2026-07-08

Assigner: Wordfence

Description
The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 5.4.0. This is due to the plugin's Stripe Connect payment processor accepting a client-supplied PaymentIntent ID. This makes it possible for unauthenticated attackers to pay an arbitrary amount by supplying a previously succeeded PaymentIntent token.

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Meta Information

Published
2026-07-08
Last Modified
2026-07-08
Generated
2026-07-08
AI Q&A
2026-07-08
EPSS Evaluated
N/A
NVD
CVE-2026-5356
EUVD
EUVD-2026-42227

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
latepoint calendar_booking_plugin to 5.4.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

The LatePoint – Calendar Booking Plugin for Appointments and Events for WordPress has a vulnerability related to improper input validation in all versions up to and including 5.4.0.

Specifically, the plugin's Stripe Connect payment processor accepts a client-supplied PaymentIntent ID without proper validation.

This flaw allows unauthenticated attackers to pay an arbitrary amount by supplying a previously succeeded PaymentIntent token.

Impact Analysis

This vulnerability can allow attackers to make payments of arbitrary amounts without proper authorization.

Since the attacker can supply a previously succeeded PaymentIntent token, they could potentially bypass payment controls and cause financial loss or manipulation.

The vulnerability does not impact confidentiality or availability but has a high impact on integrity, meaning payment integrity can be compromised.

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